Positive results: reddish coloration of the lower partNegative results: no change in color

QUALITY CONTROLResults after 24 hrs at 35ºC W/ 5% CO2

Organisms

ATCC

Reaction

Haemophilus influenzae

10211

-

Haemophilus parainfluenzae

7901

+

LIMITATIONS OF METHODColor change will appear in the aqueous-lower phase. A pinkish-red color appearing in the alcohol phase means a negative test result. This medium is only a part of the identification. Other tests may be required.